Home / 1,431,546.84-2,147,264.18-484,917.56

Finding the Fourth Proportional to 1,431,546.84, 2,147,264.18 and 484,917.56

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Solution

The fourth proportional to 1,431,546.84, 2,147,264.18 and 484,917.56 is: 727,357.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,546.84 : 2,147,264.18 = 484,917.56 : x
  2. Step 2: Convert to fraction form
    1,431,546.84/2,147,264.18 = 484,917.56/x
  3. Step 3: Cross multiply
    1,431,546.84x = 2,147,264.18 × 484,917.56
  4. Step 4: Simplify right side
    1,431,546.84x = 1,041,246,106,841.00
  5. Step 5: Solve for x
    x = 1,041,246,106,841.00/1,431,546.84
  6. Step 6: Final answer
    x = 727,357.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.